package cn.androidlongs.study.utils;

import java.math.BigInteger;
import java.util.Random;

public class GUIDUtil {
    public static String generateGUID() {
        return new BigInteger(165, new Random()).toString(36).toUpperCase();
    }
	public static void main(String[] args) {
		for(int i=0;i<100;i++)
			System.out.println(generateGUID());
	}
}
